Dumb Luck
"I want you to take off your clothes and get down on your knees here in the grass. Don't stroke your cock you fucking creep you have to earn the privilege to stroke in my presence and it will cost you."
"Oh wow, you have huge nuts! I love how low they hang, they will make great targets. OK, I am reeeaally going to enjoy this," she says lifting your cock out of the way and cupping them to feel their weight.
You like the feel of them resting in her hand as you look down her cleavage but then you feel her thumb wrap around them and suddenly she's squeezing them with great force.
You look down to see your nuts bulging out between her fingers as sharp pain rises up through your core. She is watching your face intently, you can tell she gets off on your reaction as you wince in her tight grip and she smiles proudly.